Preparation method of ammonium ferrous sulfate

The invention relates to a preparation method of ammonium ferrous sulfate, and belongs to the field of fine inorganic chemical engineering. According to the preparation method, an intermediate material titanyl sulfate solution in the titanium industrial production process is used as an iron raw mate...

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Bibliographic Details
Main Authors LAN DEJUN, CHEN XIAO'E, TIAN YALIAN
Format Patent
LanguageChinese
English
Published 30.10.2020
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
INORGANIC CHEMISTRY
METALLURGY
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Summary:The invention relates to a preparation method of ammonium ferrous sulfate, and belongs to the field of fine inorganic chemical engineering. According to the preparation method, an intermediate material titanyl sulfate solution in the titanium industrial production process is used as an iron raw material, a non-solution ammonium-containing compound is added into the solution to react with the solution, and original ferrous ions and sulfate ions in the titanyl sulfate solution are directly utilized to prepare ammonium ferrous sulfate crystals with low solubility. And the titanyl sulfate solutionmechanically mixed in the separated crystals is washed away in a multi-stage countercurrent saturated ammonium ferrous sulfate solution rinsing mode. And finally, low-temperature drying is carried out in a proper manner to obtain an ammonium ferrous sulfate hexahydrate product. According to the method, more iron and sulfur resources in the titanium-containing raw material are utilized, and the comprehensive utilization d
Bibliography:Application Number: CN202010788161